柯林斯詞典punched card (also punch card) [美國英語] 1. N (formerly) a card on which data can be coded in the form of punched holes. In computing, there were usually 80 columns and 12 rows, each column containing a pattern of holes representing one character (舊時(shí)數(shù)據(jù)編碼中用的)穿孔卡 (Sometimes shortened to card) 返回 punch card